Pseudowollastonite
| Pseudowollastonite | |
|---|---|
| General | |
| Category | Cyclosilicate |
| Strunz classification | 9.CA.20 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c |
| Identification | |
| References | [1] |
Pseudowollastonite is a high-temperature mineral phase of CaSiO3 and is polymorphous with wollastonite. Its formula can alternatively be written as Ca3Si3O9. Other names include wollastonite 7T, ß-Wollastonite, and cyclowollastonite.[2][3]
It occurs in high temperature (pyrometamorphic) environments such as the Hatrurim Formation of the Negev Desert[2] and the graphite mine at Pfaffenrenth near Hauzenberg, Bavaria.[4] It also occurs in slags and cement.
References
- ^ Mineralienatlas
- ^ a b Pseudo wollastonite on Mindat.org
- ^ Glossary of Geology, eds. Julia A. Jackson, James P. Mehl, and Klaus K. E. Neuendorf; American Geosciences Institute, 2011, 5th ed., p. 524 ISBN 978-0922152896
- ^ Fleischer, M., 1973, New mineral names: Cyclowollastonite, American Mineralogist: 58: 560
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